mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-06 00:17:22 +00:00
75 lines
2.0 KiB
Plaintext
75 lines
2.0 KiB
Plaintext
|
#!/bin/sh
|
||
|
|
#
|
||
|
|
# This script acts like the "wasm-opt" command from the Binaryen toolchain, but
|
||
|
|
# uses Tailscale's currently-desired version, downloading it first if necessary.
|
||
|
|
|
||
|
|
set -eu
|
||
|
|
|
||
|
|
BINARYEN_DIR="$HOME/.cache/tailscale-binaryen"
|
||
|
|
read -r BINARYEN_REV < "$(dirname "$0")/binaryen.rev"
|
||
|
|
# This works for Linux and Darwin, which is sufficient
|
||
|
|
# (we do not build for other targets).
|
||
|
|
OS=$(uname -s | tr A-Z a-z)
|
||
|
|
if [ "$OS" = "darwin" ]; then
|
||
|
|
# Binaryen uses the name "macos".
|
||
|
|
OS="macos"
|
||
|
|
fi
|
||
|
|
ARCH="$(uname -m)"
|
||
|
|
if [ "$ARCH" = "aarch64" ]; then
|
||
|
|
# Binaryen uses the name "arm64".
|
||
|
|
ARCH="arm64"
|
||
|
|
fi
|
||
|
|
|
||
|
|
install_binaryen() {
|
||
|
|
BINARYEN_URL="https://github.com/WebAssembly/binaryen/releases/download/version_${BINARYEN_REV}/binaryen-version_${BINARYEN_REV}-${ARCH}-${OS}.tar.gz"
|
||
|
|
install_tool "wasm-opt" $BINARYEN_REV $BINARYEN_DIR $BINARYEN_URL
|
||
|
|
}
|
||
|
|
|
||
|
|
install_tool() {
|
||
|
|
TOOL=$1
|
||
|
|
REV=$2
|
||
|
|
TOOLCHAIN=$3
|
||
|
|
URL=$4
|
||
|
|
|
||
|
|
archive="$TOOLCHAIN-$REV.tar.gz"
|
||
|
|
mark="$TOOLCHAIN.extracted"
|
||
|
|
extracted=
|
||
|
|
[ ! -e "$mark" ] || read -r extracted junk <$mark
|
||
|
|
|
||
|
|
if [ "$extracted" = "$REV" ] && [ -e "$TOOLCHAIN/bin/$TOOL" ]; then
|
||
|
|
# Already extracted, continue silently
|
||
|
|
return 0
|
||
|
|
fi
|
||
|
|
echo ""
|
||
|
|
|
||
|
|
rm -f "$archive.new" "$TOOLCHAIN.extracted"
|
||
|
|
if [ ! -e "$archive" ]; then
|
||
|
|
log "Need to download $TOOL '$REV' from $URL."
|
||
|
|
curl -f -L -o "$archive.new" $URL
|
||
|
|
rm -f "$archive"
|
||
|
|
mv "$archive.new" "$archive"
|
||
|
|
fi
|
||
|
|
|
||
|
|
log "Extracting $TOOL '$REV' into '$TOOLCHAIN'." >&2
|
||
|
|
rm -rf "$TOOLCHAIN"
|
||
|
|
mkdir -p "$TOOLCHAIN"
|
||
|
|
(cd "$TOOLCHAIN" && tar --strip-components=1 -xf "$archive")
|
||
|
|
echo "$REV" >$mark
|
||
|
|
}
|
||
|
|
|
||
|
|
log() {
|
||
|
|
echo "$@" >&2
|
||
|
|
}
|
||
|
|
|
||
|
|
if [ "${BINARYEN_DIR}" = "SKIP" ] ||
|
||
|
|
[ "${OS}" != "macos" -a "${OS}" != "linux" ] ||
|
||
|
|
[ "${ARCH}" != "x86_64" -a "${ARCH}" != "arm64" ]; then
|
||
|
|
log "Unsupported OS (${OS}) and architecture (${ARCH}) combination."
|
||
|
|
log "Using existing wasm-opt (`which wasm-opt`)."
|
||
|
|
exec wasm-opt "$@"
|
||
|
|
fi
|
||
|
|
|
||
|
|
install_binaryen
|
||
|
|
|
||
|
|
"$BINARYEN_DIR/bin/wasm-opt" "$@"
|